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Fix readpassphrase(3) when it's called with stdin being closed.
Approved by: re (delphij)
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Switch libc from using _sig{procmask,action,suspend} symbols, which
are aliases for the syscall stubs and are plt-interposed, to the
libc-private aliases of internally interposed sigprocmask() etc.
MFC r287300:
Use libthr interposed functions instead of syscalls, in posix_spawn()'
child.
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libc/gen: small updates to code originating at OpenBSD
arc4random.c
- CVS rev. 1.22
Change arc4random_uniform() to calculate ``2**32 % upper_bound'' as
``-upper_bound % upper_bound''. Simplifies the code and makes it the
same on both ILP32 and LP64 architectures, and also slightly faster on
LP64 architectures by using a 32-bit remainder instead of a 64-bit
remainder.
- CVS rev. 1.23
Spacing
readpassphrase.c
-CVS rev. v 1.24
most obvious unsigned char casts for ctype
Obtained from: OpenBSD
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This fixes a race condition where another thread may fork() before CLOEXEC
is set, unintentionally passing the descriptor to the child process.
This commit only adds O_CLOEXEC flags to open() or openat() calls where no
fcntl(fd, F_SETFD, FD_CLOEXEC) follows. The separate fcntl() call still
leaves a race window so it should be fixed later.
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Obtained from: OpenBSD
MFC after: 2 weeks
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implementation did not match our manpage description (i.e., it could
return NULL). I mistakenly thought we were still using getpass.c
because, for some reason, CVS never removed it from the tree.
Pointy hat received from: alfred
Kick in the groin to: CVS
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to return value constraints now changing as well as more intelligent
handling of signals.
Obtained from: OpenBSD
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Submitted by: ru
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Prodded by: bde
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comes originally from Todd Miller.
Obtained from: OpenBSD
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